MCQ quiz on Atomic Structure multiple choice questions and answers on atomic structure MCQ questions quiz on atomic structure objectives questions with answer test pdf. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject.

Atomic Structure Question with Answer

1. Who discovered Neutrons?

  1. Dalton
  2. J J Thomson
  3. Chadwick
  4. Daraday

2. Who first proposed the atomic theory based on scientific knowledge

  1. John Dalton
  2. Robert Brown
  3. Jones Berzelius
  4. Dmitri Mendeleev

3. Atomic mass of an element is equal to

  1. mass of electron
  2. mass of neutron
  3. the sum of mass of proton and neutron
  4. the sum of mass of electron and proton

4. Experimentation with cathode ray led to the discovery of

  1. electron
  2. proton
  3. neutron
  4. nucleus

5. Electromagnetic radiations produced from nuclear reactions are

  1. alpha rays
  2. beta rays
  3. gama rays
  4. x rays

6. Who explained the behavior of positively charged particles being deflected from a metal fousceil as the nucleus

  1. Ernest Rutherford
  2. James Chadwick
  3. John Dalton
  4. Niels Bohr

7. In the gold foil experiment, most of the particles fired at the foil

  1. bounced back
  2. were absorbed by the foil
  3. passed through the foil
  4. combined at the foil

8. Which of the following statement Is wrong about electron

  1. It is a particle
  2. Its motion is affected by magnetic field
  3. It has wave like property
  4. It emits energy while moving in orbit

9. The gold foil experiment led to the discovery of

  1. cathode ray
  2. electron
  3. neutron
  4. proton

10. Principle quantum number describes

  1. size of the orbital
  2. shape of the orbital
  3. spin of the orbital
  4. orientation of the orbital

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